When the trenchbilly played started tuning, he was making musical sentences. For example, when he strummed 5 times, it was like he said "Musical challenge", "Get an instrument", and "Yes, it's a challenge". And when he strummed 3 times, he is saying "You ready?" and "OK then."

2nd time SpongeBob was used as a guitar, the 1st time was in Rodeo Daze.